【Python】datetime 库
# timedelta(days, seconds, microseconds,milliseconds, minutes, hours, weeks) 默认按顺序传递参数
# 主要介绍 datetime.datetime 类
# 引入
from datetime import datetime
today = datetime.now() # 获取当前时间 2023-10-05 15:58:03.218651
today1 = datetime.utcnow() # 获取当前日期和时间对应的UTC（世界标准时间）2023-10-05 07:59:03.194413
someday = datetime(2002,11,26, 10, 12, 30,2) # 构建时间 2002-11-26 10:12:30.000002
